ubuntu-sdk-bugs team mailing list archive

[Andrew Hayzen <1511385@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

When calling Playlist.clear() onMediaRemoved is triggered for each track
that is removed, causing slowdown in the music-app's current
implementation of storing the queue.

What happened:
1) Start the music-app
2) Click on a track to create a queue
3) From the header actions click "Clear queue"
4) Observe that for each track a onMediaRemoved signal is emitted

What I expected to happen:
At step 4) for a single onMediaRemoved for the whole range is emitted

A diff [0] for the music-app, so you can see the onMediaRemoved calls.

0 - http://pastebin.ubuntu.com/12999153/

** Affects: canonical-devices-system-image
     Importance: Undecided
         Status: New

** Affects: media-hub
     Importance: Undecided
         Status: New

** Affects: media-hub (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: qtubuntu-media (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: bgplaylist

** Tags added: bgplaylist

** Also affects: media-hub
   Importance: Undecided
       Status: New

** Also affects: canonical-devices-system-image
   Importance: Undecided
       Status: New

** Also affects: media-hub (Ubuntu)
   Importance: Undecided
       Status: New

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SDK bug tracking, which is subscribed to qtubuntu-media in Ubuntu.
https://bugs.launchpad.net/bugs/1511385

Title:
  When calling Playlist.clear() onMediaRemoved is triggered for each
  track that is removed

Status in Canonical System Image:
  New
Status in Media Hub:
  New
Status in media-hub package in Ubuntu:
  New
Status in qtubuntu-media package in Ubuntu:
  New

Bug description:
  When calling Playlist.clear() onMediaRemoved is triggered for each
  track that is removed, causing slowdown in the music-app's current
  implementation of storing the queue.

  What happened:
  1) Start the music-app
  2) Click on a track to create a queue
  3) From the header actions click "Clear queue"
  4) Observe that for each track a onMediaRemoved signal is emitted

  What I expected to happen:
  At step 4) for a single onMediaRemoved for the whole range is emitted

  A diff [0] for the music-app, so you can see the onMediaRemoved calls.

  0 - http://pastebin.ubuntu.com/12999153/

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